Subject:
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Re: Burning hot motor driver chips.
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Sun, 9 Nov 1997 14:28:18 GMT
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Original-From:
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Rick Moll <rickmoll@!AvoidSpam!mvp.net>
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Viewed:
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1552 times
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Anthony,
> ...
> I decided to buy a cheap RC car and use it as a
> platform.
> ...
> the drive motor ceases to get enough power to move
> the car (the motor begins to spin if I pick the
> car up). Upon burning my finger, I discovered
> that the chip running the was extremely hot. So
> my question is: Is this motor simply drawing too
> much current?
Yes it sounds like it.
> I thought the L293D (which is what I am using)
> had some sort of built it cut off if things
> got intolorable for it.
It does. The L293D still works after it cools off,
doesn't it?
> I also understand that the L293D can be piggy
> backed, but will that give me enough amperage
> to run a typical RC car motor?
I suspect you are going to need more than just
two piggy backed L293D.
> Am I going to have to use an alternate driver?
You might have a look at Ben Wirz website, he
sells various driver chips and boards which
could be used.
http://www.wirz.com/
Later,
Rick
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Message is in Reply To:
 | | Burning hot motor driver chips.
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| After not doing anything with my HB for a few months, I decided to buy a cheap RC car and use it as a platform. Anyway, I get a car that takes 6 AA batteries because I figure that the main motor is probably 9v (maybe that was a faulty assumption). (...) (27 years ago, 9-Nov-97, to lugnet.robotics.handyboard)
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